1 Examples of viral infections include, mumps or hepatitis B. 2  Some autoimmune conditions-such as lupus, or Sjogren's syndrome. 3  Injury to the pancreas. 4  Idiopathic-about 15% of all cases of acute pancreatitis are termed idiopathic pancreatitis.
Large, heavy drums produce low-pitched sounds that often are used to drive the rhythm of different songs. The timpani and pitched bass drums found in marching bands and orchestras are among the most common types of oversize drum. The taiko -- literally meaning âbig fat drumâ -- is a large double-headed oversize drum used in traditional Japanese music.
Best Answer: definite pitched drums, such as the smare, bass, and auxillary (triangle, tambouring, cymbals) are all instruments that, as the name implies, cannot change pitch. the drums can be tightened however. indefinte are those, such as the marimba, chimes, and timpani, are instruments that can change pitch/ notes. thats pretty much it.